21. Creinin Yards D, Keverline S, Meyn L An excellent. Just how typical was normal? An analysis out of menstrual period volume. Birth-control. 2004; 70 :289–292. [PubMed] [Yahoo Scholar]

twenty-two. Geirsson Roentgen T, Busby-Earle R Meters. Certain dates may not render an established estimate regarding gestational years. Br J Obstet Gynaecol. 1991; 98 :108–109. [PubMed] [Bing Beginner]

23. Waller D K, Spears W D, Gu Y. ainsi que al. Examining amount-specific error regarding keep in mind from onset of history menstrual cycle. Paediatr Perinat Epidemiol. 2000; 14 :262–267. [PubMed] [Google Student]

24. Haarburger D, Pillay T S. Historical views inside symptomatic health-related pathology: growth of the newest pregnancy test. J Clin Pathol. 2011; 64 :546–548. [PubMed] [Yahoo Student]

26. Scolaro K l, Braxton-Lloyd K, Helms K-l. Equipment to own domestic assessment away from women?s health concerns. Are J Fitness Syst Pharm. 2008; 65 :299–314. [PubMed] [Bing Scholar]

twenty seven. Johnson S r, Godbert S, Perry P. mais aussi al. Reliability away from a home-depending device for offering a young guess of pregnancy stage compared with regard procedures. Fertil Steril. 2013; 100 :1635–1641. [PubMed] [Google Scholar]

29. Mustafa G, David R Jparative accuracy off scientific guess rather than monthly period gestational age within the automated delivery certificates. Societal Fitness Associate. 2001; 116 :15–21. [PMC free article] [PubMed] [Google Pupil]

30. Johnson S, Godbert Sparison from household maternity take to having months estimator and you may ultrasound crown-rump measurement in order to anticipate birth day. Fertil Steril. 2013; 100 (step 3 Suppl.):S330. [Yahoo Beginner]

31. Cole L Good, Khanlian S, Sutton J. et al. Reliability off family pregnancy evaluating during skipped menses. Have always been J Obstet Gynecol. 2004; 190 :100–103. [PubMed] [Bing Beginner]

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